I recently got an iMac G5 with OS X 10.4 Obviously, I want to load Classic so I can enjoy 68000 based games on the thing. However I have no installer disks so what to do?!
Basically I took an eMac 9.2 installer disk, coverted it to read/write, allowed the Classic app to update the system folder, shut it down, and converted that image to a read only image. Now with this image, just mount it, and point classic to it, and you can now boot OS 9, and run the installer, so your OS X 10.4 Mac can now run old applications!